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Topic (Course) 
Technology 
Type 
$? 
Rating 

Suan Pan in Various Number Sys...

Subtraction (Math 3) 
Java Applet 
Tool 

[0]

An interactive Java gadget simulating suan panthe Chinese abacus. Options include selecting the number system base and the number of wires. The applet displays the number matching the configu...
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Subtraction Table

Subtraction (Math 3) 
Flash 
Tool 

[0]

Subtract the column heading from the number in each row; drag the answers to fill in the table. Click on any square in the table to see the arithmetic expression; click again to see a visual represent...
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Subtraction Worksheets

Subtraction (Math 3) 
JavaScript 
Tool 

[0]

A script which allows control over generating positive whole number subtraction problems of various lengths.
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Subtraction Workshop

Subtraction (Math 3) 
Flash 
Tool 

[0]

Use this tool to practice subtraction in columns using borrowing when necessary. Students must work column by column, checking results as they go.
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The Abacus in Various Number S...

Subtraction (Math 3) 
Java Applet 
Tool 

[0]

An interactive Java applet showing one or two Russian abacuses with options to select the base of the number system and the number of wires. The applet displays the number matching the current config...
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Thinking Blocks: Addition and ...

Subtraction (Math 3) 
Flash 
Tool 

[3]

Learn how to solve word problems involving addition and subtraction. Organize story components into visual models that are easy to understand.

Touch Natural Numbers

Subtraction (Math 3) 
Android 
Tool 

[0]

With this app you can:

Whole Calculator

Subtraction (Math 3) 
Android 
Tool 

[0]

This app functions as a calculator for the set of the natural numbers (N). Type the numerical operations and view the both inputs and the result in words.
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Written Addition and Subtracti...

Subtraction (Math 3) 
Flash 
Tool 

[0]

This module can be used as a starting point for learning different methods of written addition and subtraction. Factsheets, worksheets, games, and a quiz review and check understanding. A "For Tutors"...
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XP Math: Need for Speed: Subtr...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students change lanes to avoid other cars in the race by answering subtraction problems.
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XP Math: Whole Numbers Subtrac...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students race the clock to subtract numbers from 0 to 9.
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XP Math: Whole Numbers Subtrac...

Subtraction (Math 3) 
Flash 
Tool 

[0]

In this game, students race the clock to subtract numbers from 0 to 99, in a vertical arrangement.
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Number Sequences: III

Subtraction (Math 4) 
Computer 
Activity 
$ 
[1]

Alterable worksheet in which students fill in the missing numbers in sequences, counting forwards and backwards in 6's, 7's, 8's, 9's, 10's, 11's, 15's, 19's, 21's, and 25's. Fee required to print; s...
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Subtraction and Negative Numbe...

Subtraction (Math 4) 
Flash 
Support Material 

[0]

This interactive multimedia tutorial explores visualizations of subtraction and negative numbers.
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TeachingTools.com

Subtraction (Math 4) 
Computer 
Support Material 
$ 
[1]

TeachingTools.com contains a series of online "tools" enabling you to quickly generate an almost infinite number of math (and other subjects) worksheets and their answer keys.
You can then choose to...
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Arithmetic Quiz

Subtraction (Math 4) 
Java Applet 
Tool 

[1]

This activity allows the user to practice addition, subtraction, multiplication, and division, with variable difficulty, type of problem, and time allowed. Scoring is also an option.
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Base 10 Subtraction Mathlets

Subtraction (Math 4) 
JavaScript 
Tool 

[0]

These mathlets illustrate the standard base 10 subtraction algorithm. They provide randomly generated subtraction problems with up to 4 decimal places and allow the student to step through the solutio...
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Base Blocks

Subtraction (Math 4) 
Java Applet 
Tool 

[10]

Illustrate addition and subtraction in a variety of bases.
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Base Blocks Subtraction

Subtraction (Math 4) 
Java Applet 
Tool 

[6]

Base blocks consist of individual units, longs (containing 10 units), flats (containing 10 longs), and blocks (containing 10 flats) and can be used to show place value for numbers and to increase unde...
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Color Chips  Subtraction

Subtraction (Math 4) 
Java Applet 
Tool 

[0]

This virtual manipulative uses plusminus chips to demonstrate that subtracting values is the same as adding negative values.
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Difference between Two Times

Subtraction (Math 4) 
Flash 
Tool 

[0]

This tool gives students an opportunity to practice finding
the difference between two times, such as while reading a
bus timetable.
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Diffy

Subtraction (Math 4) 
Java Applet 
Tool 

[1]

Solve an interesting puzzle involving the differences of given numbers.
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Everyday Mathematics® Subtract...

Subtraction (Math 4) 
iPad 
Tool 
$ 
[0]

The game offers a way to practice and reinforce 2digit subtraction computation and number comparisons. Players take turns dealing two 2digit number cards to each player, finding their differences, a...
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Flash Cards

Subtraction (Math 4) 
Java Applet 
Tool 

[1]

This applet produces random math problems and tracks the number of correct answers that are given.
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HandsOn Math: Base Ten Blocks

Subtraction (Math 4) 
iPad 
Tool 
$ 
[0]

HandsOn Math: Base Ten Blocks is a virtual math manipulative playground where students explore and discover place value concepts and also learn addition and subtraction with regrouping. Our Base T...
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